Lophodermium, Hypodermella and Elytroderma

Needle Diseases

Lophodermium pinastri on pines

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Hysterothecia (also refered to as apothecia) on pine needles infected by Lophodermium.

asci and ascospores of Lophodermium

Section through the hysterothecium showing asci and long thread-like ascospores

Hypodermella pini- on fir

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Large hysterothecia, occupying almost the entire length of the needle, are present on a few of these needles.

Elytroderma deformans - on western species of pine

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Black hysteriothecia (refered to as apothecia in some texts) are clearly evident on these needles.

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Hysterothecia on needles.